SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('eea47443a179a7d5aa15538863b879a7','0','18.117.118.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715738607','thread.php?goto=lastpost&threadid=239119&sid=c8df330d7d69eb1b27d9594da0b3c31c','0','0','')
mysql error: Duplicate entry 'eea47443a179a7d5aa15538863b879a7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 15.05.2024 @ 04:03
Script: /thread.php?goto=lastpost&threadid=239119&sid=c8df330d7d69eb1b27d9594da0b3c31c
Referer: http://www.karpfen-spezial.de/thread.php?goto=lastpost&threadid=239119&sid=c8df330d7d69eb1b27d9594da0b3c31c